State T for true and 'F' for false. (i) The lengths of the three sides of a triangular field are 40 m, 24 m and 32 m respectively. The area of the triangle is \[384\text{ }{{m}^{2}}.\] (ii) The area of a quadrilateral ABCD in which B = 3 cm, BC= 4 cm, CD =4 cm, DA = 5 cm and AC = 5 cm is \[18\text{ }c{{m}^{2}}.\] (iii) An advertisement board is in the form of an isosceles triangle with its sides equal to 12 m, 10 m and 10 m. The cost of painting it at ` 2.25 per \[{{m}^{2}}\]is \[18\text{ }c{{m}^{2}}.\]112. (iv) Heron's formula cannot be used to calculate area of quadrilaterals.

State T for true and 'F' for false. (i) The lengths of the three sides

1.	State T for true and 'F' for false. (i) The lengths of the three sides of a triangular field are 40 m, 24 m and 32 m respectively. The area of the triangle is \[384\text{ }{{m}^{2}}.\] (ii) The area of a quadrilateral ABCD in which B = 3 cm, BC= 4 cm, CD =4 cm, DA = 5 cm and AC = 5 cm is \[18\text{ }c{{m}^{2}}.\] (iii) An advertisement board is in the form of an isosceles triangle with its sides equal to 12 m, 10 m and 10 m. The cost of painting it at ` 2.25 per \[{{m}^{2}}\]is \[18\text{ }c{{m}^{2}}.\]112. (iv) Heron's formula cannot be used to calculate area of quadrilaterals.
A.	(i) (ii) (iii) (iv) T F F T
B.	(i) (ii) (iii) (iv) F T F F
C.	(i) (ii) (iii) (iv) T F T F
D.	(i) (ii) (iii) (iv) T F F F
Answer» E.

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